USB+3.5 luminous headphones                

Frequency range : 20Hz - 20kHz

Dricing coil / diameter: Φ 50mm

Cable: 2.2 m (rubber cable)

Rated sensitivity: 42 ±3db

Impedance: 32 Omega + 10%

Unbalance: ≤ 4db

Horn diameter: 50 mm

Mike dimension: 6mm x 5mm

Load impedance: 2.2k

Maximum power: 30 MW

Current: < 200ma

Voltage: USB 5V plug: USB Seven Color LED

Breathing lamp;                               

USB+3.5 colorful LED breathing light;